Functions, Namespaces & Exceptions in C++ Quiz 2

1 / 36

What is the mandatory part to present in function pointers?

data types

return values

2 / 36

What will happen when the handler is not found for an exception?

raise an error

executes the remaining block

raise an error and executes the remaining block

calls the standard library function terminate()

3 / 36

What is the correct syntax of defining a namespace?

typedef namespace name{} NAME

namespace name{}

Namespace name{};

namespace name{};

4 / 36

What does the client module import?

instance

interface

records

macro

5 / 36

Identify the correct statement.

c++ does not have built-in interfaces

c++ have no concept of interfaces

c++ does have built-in interfaces

c++ does have built-in interfaces & classes

6 / 36

What is the mandatory preprocessor directive for c++?

#define <iostream>

#undef <iostream>

#macro <iostream>

#include <iostream>

7 / 36

Pick the incorrect statement for namespaces in C++.

Namespace declarations are always global scope

Namespace has access specifiers like private or public

Keyword namespace is used at the starting of a namespace definition

Namespace definitions can be nested

8 / 36

which keyword is used to define the macros in c++?

#define

#macro

define

macro

9 / 36

Which of the following implements the module in the program?

header files

interfaces

macro

macro & header files

10 / 36

To where does the program control transfers when the exception is arisen?

throw

handlers

catch

try

11 / 36

What will initialize the list of arguments in stdarg.h header file?

va_start

va_list

vg_arg

va_arg

12 / 36

How many types of modularization are there in c++?

13 / 36

To which does the function pointer point to?

absolute variables

variable

constants

function

14 / 36

What is similar to the interface in c++?

methods & instance of a class

pure abstract class

methods

instance of a class

15 / 36

Which keyword is used to access the variable in the namespace?

using

static

const

dynamic

16 / 36

Identify the correct statement.

Namespace is used to group class, objects and functions

Namespace is used to mark the beginning of the program

Namespace is used to mark the beginning & end of the program

A namespace is used to separate the class, objects

17 / 36

Which operator is used for accessing a member of namespace?

18 / 36

Which keyword is used to check exception in the block of code?

handlers

try

catch

throw

19 / 36

What is the other name of the macro?

executed & link directive

scripted directive

executed directive

link directive

20 / 36

which of the following can be passed in function pointers?

data types

objects

functions

variables

21 / 36

If we start our function call with default arguments means, what will be proceeding arguments?

user argument

default arguments

user & empty arguments

empty arguments

22 / 36

which of the following is used to implement the c++ interfaces?

abstract classes

absolute variables

default variables

constant variables

23 / 36

Which header file is used to pass unknown number of arguments to function?

string.h

stdio.h

stdlib.h

stdarg.h

24 / 36

What is the maximum number of arguments or parameters that can be present in one function call?

255

256

25 / 36

What will happen when the exception is not caught in the program?

error

program will execute & displays wrong output

block of that code will not execute

program will execute

26 / 36

What we can?t place followed by the non-default arguments?

trailing arguments

both trailing & default arguments

leading arguments

default arguments

27 / 36

What will we not do with function pointers?

deallocation of memory

finds memory status

both allocation & deallocation of memory

allocation of memory

28 / 36

How can you access the arguments that are manipulated in the function?

arg_list

both va_list & arg_list

vg_list

va_list

29 / 36

Which symbol is used to declare the preprocessor directives?

30 / 36

What is the default calling convention for a compiler in c++?

__stdcall

__cdecl

__pascal

__fastcall

31 / 36

Which operator is used to signify the namespace?

scope operator

ternary operator

bitwise operator

conditional operator

32 / 36

What is the general syntax for accessing the namespace variable?

namespace,operator

namespace$operator

namespace#operator

namespace::operator

33 / 36

How many types do functions fall depends on modularization?

34 / 36

How many types of macros are there in c++?

35 / 36

What is the use of Namespace?

To encapsulate the data

It is used to mark the beginning of the program

To structure a program into logical units

Encapsulate the data & structure a program into logical units

36 / 36

What is the default return type of a function?

char

int

float

void

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